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Wiring Diagrams and Connectors

WABCO

Maintenance Manual MM-0112 (Revised 07-18)

6S/6M Universal ECU with ESC and Hill Start Aid (HSA) (6S/4M and 4S/4M Configurations are also available)

Figure 6.11

Figure

.11

BACK VIEW OF HARNESS CONNECTOR

15 PIN CONNECT

RSC VALVE

GND*

BACK VIEW OF HARNESS CONNECTOR

INLET

VALVE

INLET

VALVE

INLET

VALVE

OUTLET

VALVE

OUTLET

VALVE

OUTLET

VALVE

OUTLET

VALVE

INLET

VALVE

ABV-

SENSOR

ABV+

PIN CONNECT

SENSOR 10

SENSOR 13

SENSOR 11

SENSOR 1

SENSOR 12

SENSOR 15

ABV+ 16

SENSOR 17

SENSOR 18

INLET
VALVE
OUTLET
VALVE
INLET
VALVE
OUTLET
VALVE
INLET
VALVE
OUTLET
VALVE
ABV-
INLET
VALVE
OUTLET
VALVE

RIGHT FRONT
ABS VALVE

LEFT FRONT
ABS VALVE

LEFT REAR
ABS VALVE

RIGHT REAR
ABS VALVE

RIGHT FRONT
SENSOR

LEFT REAR
SENSOR

LEFT FRONT
SENSOR

RIGHT REAR
SENSOR

GND

REAR

ABV

16 AWG

BACK VIEW OF HARNESS CONNECTOR

SAE

J1939

TR-WL

SAE

J1939

ATC

ABS

ECU-

GND

BAT

ECU+

JUMPER

SAE

J1587

SAE

J1587

ABS

LAMP

3RD
BRK

ATC

LAMP

PIN CONNECT

TRAILER INDICATOR LAMP

J1939 L

J1939 H

15A AMP

5 AMP

AWG

BAT

IGN

J1587 B

J1587 A

ATC

SWITCH

J1587 B

J1587 A

J1939 L

J1939 H

BATTERY

ECU+

RETARDER

TRAILER
INDICATOR

LAMP

ATC LAMP

TRACTOR
INDICATOR
LAMP

ATC SWITCH

ABS OFF
ROAD

ECU-

GND

ATC/RSC LAMP

TRACTOR INDICATOR LAMP

BLINK CODE

SWITCH

ABS OFF ROAD SWITCH

AWG

87A

RETARDER

4008457

Momentary Swit

tional Equi

ment

Twisted Pair = TP
All unmarked wires should be 16 or 18 AWG.
All fuses should be blade ty

*All

onne

ted to a

ommon star

round.

3RD AXLE
LEFT SENSOR

16 AWG

3RD AXLE
RIGHT SENSOR

3RD AXLE
LEFT ABS VALVE

3RD AXLE
RIGHT ABS VALVE

GND

FRONT AXLE ABV

GND

CAN

SAS

MODULE

(SAS)

GND

DRIVER’S

BRAKE

DEMAND

PRESSURE SENSOR

ESC

MODULE

HSA LAMP 1

TRL ABV-

TRL ABV+

NOT USED 9

SENSOR 2

SENSOR 5

INLET 3

OUTLET 6

SENSOR 11

SENSOR 1

INLET 12

OUTLET 15

INLET

VALVE

INLET

VALVE

OUTLET

VALVE

OUTLET

VALVE

NOT

USED

TRL

ABV-

TRL

ABV+

SENSOR

HSA

LAMP

HSA

SWITCH

AUX 3

AUX

SENSOR

HSA SWITCH

Содержание ABS

Страница 1: ...ANTI LOCK BRAKING SYSTEM ABS AND ELECTRONIC STABILITY CONTROLS ESC FOR E VERSION ECUs MAINTENANCE MANUAL...

Страница 2: ...hazard alert messages in this publication They provide information that can help prevent serious personal injury damage to components or both WARNING A Warning alerts you to an instruction or procedu...

Страница 3: ...e to non asbestos fiber dust a cancer and lung disease hazard Material Safety Data Sheets are available from WABCO Hazard Summary Most recently manufactured brake linings do not contain asbestos fiber...

Страница 4: ...Valves ABV Testing 32 Brake Pressure Sensor Testing 33 ESC CAN Network Testing ESC Module Testing 35 Steering Angle Sensor SAS Testing 37 ECU Circuit Testing J1939 Serial Communications Testing 39 Sec...

Страница 5: ...e traction and steering control during an extreme braking event During a potential wheel lock event the ABS ECU using information provided by the wheel speed sensors sends a signal s to the appropriat...

Страница 6: ...or valve is usually located on a frame rail or cross member near the brake chamber or as part of a valve package A valve package combines two modulator valves a service relay Figure 1 5 or quick relea...

Страница 7: ...d HSA system It provides the system with the driver s brake demand The sensor can be located in the primary or secondary delivery circuit depending on the application Figure 1 9 Figure 1 9 Steering An...

Страница 8: ...stopping distances in off road conditions or on poor traction surfaces such as loose gravel sand and dirt ATC Switch A vehicle manufacturer might offer an ATC switch to control the ATC function Depend...

Страница 9: ...DULATOR VALVES ABS MODULATOR VALVE ABS MODULATOR VALVE RELAY VALVE WHEEL SPEED SENSORS ECU 4S 4M CONFIGURATION ABS ONLY AIR LINES ELECTRICAL LINES LAMPS QUICK RELEASE VALVE Figure 1 13 VALVE PACKAGE I...

Страница 10: ...cator lamp on the vehicle dash or instrument panel marked ATC ASR or potentially Stability Control depending on the application ATC Components ATC uses the base ABS components plus an active braking v...

Страница 11: ...teer axle brakes may be applied as well Similar to ATC RSC works automatically The driver does not have to select this feature Unlike ATC RSC cannot be turned off by the driver RSC Components RSC uses...

Страница 12: ...able as part of the ABS ATC valve package Depending on the application a modulator valve may be located downstream of the solenoid valve Figure 2 7 WARNING RSC helps reduce the tendency of the vehicle...

Страница 13: ...akes a pressure sensor an ESC module and a Steering Angle Sensor SAS are required in addition to the components necessary for RSC Figure 2 8 and Figure 2 9 These components are also described in the f...

Страница 14: ...with any questions regarding ESC ECU Figure 2 8 and Figure 2 9 Figure 2 8 NOTE ESC modules are installed by the OEM close to the vehicle center of gravity Depending on the vehicle manufacturer the ES...

Страница 15: ...as ATC and RSC HSA uses the front axle active braking valve as well as the rear active braking valve to help maintain the pressure trapped during HSA activation A pressure sensor provides the system w...

Страница 16: ...ssage to the engine to increase engine RPM to prevent drive axle lock up if the vehicle is on a downhill grade and in the incorrect gear Lift Axle Capability Certain six sensor ABS ECUs with ATC allow...

Страница 17: ...stics The location of the ABS indicator lamps varies depending on the make and model of the vehicle Figure 3 1 ATC and RSC ESC functions may share the same dash indicator lamp Therefore understanding...

Страница 18: ...are versions TOOLBOX 12 or higher is required To display E version ABS RSC ESC or HSA faults 1 Connect the computer to the vehicle Attach the USB serial cable from your computer s USB or serial port t...

Страница 19: ...device is RP1210A compliant and that the comport settings Vendor Protocol Adapter in TOOLBOX Software are correct Verify the device software and firmware is up to date Check all the powers and grounds...

Страница 20: ...Figure 3 9 and Figure 3 10 Figure 3 9 Figure 3 10 8 A description of the fault the number of times the fault occurred the system identifier SID the failure mode FMI and Suspect Parameter Number SPN a...

Страница 21: ...mended to use WABCO TOOLBOX Software for detailed troubleshooting of any of these systems Before using blink code diagnostics you should be familiar with a few basic terms If you used previous version...

Страница 22: ...3 11 4S 4M 6S 6M 6x2 6S 4M 1002020c 6S 6M 6x4 NUMBER OF FLASHES ABS CONFIGURATION Procedure System Response Action Diagnostics Mode Step I Turn ignition ON Possible responses ABS indicator lamp comes...

Страница 23: ...Pause 1 1 2 seconds Second Digit 1 6 flashes Pause 4 seconds Find definition for blink code on blink code chart Step IV Turn ignition OFF Active Fault Make the necessary repairs Repeat Step 1 Step II...

Страница 24: ...turned off 1st Digit 2 3 2 3 5 1 1 2 3 4 2nd Digit Pause 1 5 s Pause 1 5 s Pause 1 5 s Pause 4 s Light ON Off Stored Faults Displays all stored faults once last fault stored is displayed first Blink C...

Страница 25: ...rame mounted ECUs with all 18 pin connectors Back probe pin 15 of the X1 connector to ground for 1 second to obtain codes or back probe pin 15 for 3 seconds to clear codes Figure 3 13 Pause 1 5 s Paus...

Страница 26: ...time 1 Second Diagnostics Mode 3 Seconds Clear All Mode Repeat procedure hold switch for correct length of time Incorrect or faulty wiring Inspect and repair wiring Fault not erased from ECU after rep...

Страница 27: ...ture All readings should be taken at the same time and before vehicle is driven 7 System function 1 J1939 or proprietary ESC CAN Several sensors out of adjustment 2 ATC 3 2 valve 3 Retarder relay or t...

Страница 28: ...5 6 7 10 12 9 11 8 X1 GRAY X2 BLACK X4 BROWN ONLY FOR 6 CHANNEL X4 BROWN ONLY FOR 6 CHANNEL X3 GREEN 1 2 3 4 5 6 7 10 12 9 11 8 1 2 3 4 5 6 7 10 12 9 11 8 1 2 3 4 5 6 7 10 12 9 11 8 1 2 3 4 5 6 7 10...

Страница 29: ...ere tested clean the electrical contacts at the modulator and retest Figure 3 16 Figure 3 17 Frame Mounted With ESC LF X2 Green 17 and 18 RF X2 Green 5 and 6 LR X3 Green 1 and 2 RR X3 Green 3 and 4 LR...

Страница 30: ...ESS CONNECTOR ECU Modulator Circuit Connector Pins Cab Mounted Universal with ESC Universal or Basic ABS modulators are grounded externally i e common is fed to external ground LF IV X2 18 pin 3 LF OV...

Страница 31: ...nted Non ESC LF IV X2 Black 2 LF OV X2 Black 10 LF Common X2 Black 11 RF IV X2 Black 4 RF OV X2 Black 3 RF Common X2 Black 9 LR IV X3 Green 12 LR OV X3 Green 10 LR Common X3 Green 11 RR IV X3 Green 9...

Страница 32: ...valve individually or you can choose to cycle all valves in a pre determined order Figure 3 21 and Figure 3 22 Then listen to ensure the correct valve is cycling This is helpful in verifying correct o...

Страница 33: ...for any shorts to battery and shorts to ground Measurements should read as follows Figure 3 23 Location Measurement ABV Supply to ABV Common 7 0 14 0 ohm for 12V system 26 3 49 0 ohm for 24V system A...

Страница 34: ...1 2 3 4 5 6 7 10 12 9 11 8 1 2 3 4 5 6 7 10 12 9 11 8 1 2 3 4 5 6 7 10 12 9 11 8 1 2 3 4 5 6 7 10 12 9 11 8 X1 BLACK X3 GREEN 13 16 18 15 17 14 1 2 3 4 5 6 7 10 12 9 11 8 13 16 18 15 17 14 X2 GREEN EC...

Страница 35: ...Front Axle ABV Rear Axle ABV or Trailer ABV individually Figure 3 27 or Figure 3 28 Then listen to ensure the correct valve is cycling This is helpful in verifying correct operation installation and...

Страница 36: ...or Figure 3 29 Measure Voltage Supply to Ground on Pin 1 of the BPS Connector Key ON With ECU and BPS disconnected Verify continuity end to end on all 3 lines Verify no shorts to ground or battery on...

Страница 37: ...round With ECU and ESC Module disconnected Verify continuity end to end on each line Verify no shorts to ground or battery on all lines Verify no continuity between pins Measurements should read as fo...

Страница 38: ...the vehicle manufacturer Figure 3 36 Figure 3 36 ESC Information Available in WABCO TOOLBOX Software 11 or Higher ESC Information can be accessed through WABCO TOOLBOX Software 11 or higher under Comp...

Страница 39: ...n CAN Low voltage on Pin 1 Check Key On CAN High voltage on Pin 4 Check Key On Voltage Supply on Pin 5 Check Key Off resistance across CAN low Pin 1 and CAN High Pin 4 NOTE For correct sensor operatio...

Страница 40: ...4007216a STEERING ANGLE SENSOR CONNECTOR 1 2 3 4 5 6 Pin Circuit 1 CAN Low 2 Terminating Resistor 3 CAN High 4 CAN High 5 Power 6 Ground Figure 3 42 Pin Circuit 1 Ground 2 Power 3 CAN High 4 CAN Low...

Страница 41: ...and Figure 3 49 Measurements should read as follows Location Measurement Supply Voltage Battery to chassis Ground 9 0 16 0V for 12V system 18 0 32 0V for 24V system Supply Voltage Ignition to chassis...

Страница 42: ...B MOUNT ECU S LOOKING INTO WIRE HARNESS CONNECTOR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 X1 4007374a FRAME MOUNT ECU WITHOUT ESC LOOKING INTO WIRE HARNESS CONNECTOR FRAME MOUNT ECU WITH ESC LOOKING INTO...

Страница 43: ...o 300 F 40 to 150 C Lubricants approved for use on WABCO sensors and spring clips are as follows Figure 4 1 Mobilith SHC 220 Mobil TEK 662 Roy Dean Products Staburags NBU 30 PTM Kluber Lubrication Val...

Страница 44: ...ng normal operation a gap of up to 0 04 inch 1 016 mm is allowable 7 Remove the blocks and safety stands Modulator Valves Removal WARNING Park the vehicle on a level surface Block the wheels to preven...

Страница 45: ...ignition key and test drive the vehicle Verify that the ABS indicator lamp operates correctly Active Braking Valves ABV Removal Depending on the OEM specs and vehicle system configuration ABVs may be...

Страница 46: ...Installation 1 Connect the blue glad hand to a 50 cu in 819 cu cm air tank 2 Start the vehicle 3 Fully charge the reservoirs with air Shut off the vehicle 4 Activate the valve using TOOLBOX Software v...

Страница 47: ...Use a 6 mm Allen wrench to tighten the Allen head bolts to 13 15 lb ft 18 20 N m 7 Replace the ABS valve package Tighten the bolts to the vehicle manufacturer s recommendation Remove the blocks and sa...

Страница 48: ...lieve line pressure by bleeding the air from the appropriate supply tank Pressurized air can cause serious personal injury 4 Disconnect the wiring from the solenoid valve 5 Disconnect the supply air l...

Страница 49: ...10 Test the installation Checking the Installation 1 Start the vehicle 2 Fully charge the reservoirs with air Shut off the vehicle 3 Apply the brakes 4 Listen for air leaks at all valves 5 Drive the v...

Страница 50: ...and ATC ESC lamps should come on and go back off when ignition power is turned on The ATC ESC lamp may remain on briefly after the ABS lamp goes off 3 There should not be any active faults displayed...

Страница 51: ...turer s recommendation 6 Remove the blocks 7 Test the installation Test the Installation To test the SAS installation the system must be calibrated 1 Follow the ESC End of Line Calibration Procedure d...

Страница 52: ...ated 1 Follow the ESC End of Line Calibration Procedure described in this manual 2 When the ESC End of Line Calibration Procedure is completed the ABS and ATC ESC lamps should come on and go back off...

Страница 53: ...itting 2 Connect the wiring harness connector to the brake pressure sensor Hand tighten only 3 Remove the stands and blocks 4 Test the installation Test the Installation To test the brake pressure sen...

Страница 54: ...Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 1 Figure 5 2 1003363e LAMPS AIR LINES ELECTRICAL LINES VALVE PACKAGE INSTALLATION REAR STANDARD OR BASIC 4S 4M ABS VALVE PACKAGE INSTALLATION FRON...

Страница 55: ...AILABLE IN 6S CONFIGURATIONS VALVE PACKAGE INSTALLATION FRONT LAMPS TRAILER ACTIVE BRAKING VALVE TRAILER STABILITY CONTROL MODULATOR OPTIONAL PRESSURE SENSOR OPTIONAL ATC VALVE FRONT AXLE ACTIVE BRAKI...

Страница 56: ...6 3 Figure 6 1 BASIC ECU CAB MOUNTED 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1 2 3 4 5 6 7 8 9 10 11 13 14 15 X2 X1 BASIC 4004024b Figure 6 2 UNIVERSAL ECU CAB MOUNTED 1 2 3 4 5 6 7 8 9 10 11 12...

Страница 57: ...9 4 8 5 7 6 12 1 X1 GRAY 12 1 11 2 10 3 9 4 8 5 7 6 X3 GREEN X4 BROWN ONLY FOR 6 CHANNEL 11 2 10 3 9 4 8 5 7 6 12 1 12 1 11 2 10 3 9 4 8 5 7 6 4004026a Figure 6 5 4007396b FRAME MOUNT ECU WITH ESC AN...

Страница 58: ...S VALVE RIGHT REAR ABS VALVE RIGHT FRONT SENSOR LEFT REAR SENSOR LEFT FRONT SENSOR RIGHT REAR SENSOR TP 1 4 3 6 2 5 IV GND OV IV GND OV 10 13 11 14 12 15 17 18 IV GND OV IV GND OV 8 9 REAR ABV 1 4 3 6...

Страница 59: ...ALVE OUTLET VALVE ABV INLET VALVE OUTLET VALVE RIGHT FRONT ABS VALVE LEFT FRONT ABS VALVE LEFT REAR ABS VALVE RIGHT REAR ABS VALVE RIGHT FRONT SENSOR LEFT REAR SENSOR LEFT FRONT SENSOR RIGHT REAR SENS...

Страница 60: ...EAR ABS VALVE RIGHT REAR ABS VALVE RIGHT FRONT SENSOR LEFT REAR SENSOR LEFT FRONT SENSOR RIGHT REAR SENSOR TP 1 4 3 6 2 5 IV GND OV IV GND OV 10 13 11 14 12 15 17 18 IV GND OV IV GND OV 8 9 REAR ABV 1...

Страница 61: ...16 13 7 10 1 3 2 5 4 11 14 8 9 12 6 15 17 18 LEFT FRONT ABS VALVE LEFT REAR ABS VALVE RIGHT REAR ABS VALVE RIGHT FRONT SENSOR LEFT REAR SENSOR LEFT FRONT SENSOR RIGHT REAR SENSOR TP 1 4 3 6 2 5 IV GND...

Страница 62: ...LEFT REAR SENSOR LEFT FRONT SENSOR RIGHT REAR SENSOR TP 1 4 3 6 2 5 IV GND OV IV GND OV 10 13 11 14 12 15 17 18 IV GND OV IV GND OV 8 9 REAR ABV 1 4 3 6 2 5 7 TP 8 9 TP TP 16 AWG 16 AWG 16 AWG 16 AWG...

Страница 63: ...SAE J1939 L ATC ABS ECU GND BAT ECU JUMPER SAE J1587 A SAE J1587 B ABS LAMP 3RD BRK ATC LAMP 3 2 1 6 5 4 9 8 7 11 10 15 14 13 14 PIN CONNECTOR TRAILER INDICATOR LAMP TP 1 3 J1939 L J1939 H 10 11 8 15A...

Страница 64: ...E J1939 H TR WL SAE J1939 L ATC ABS ECU GND BAT ECU JUMPER SAE J1587 A SAE J1587 B ABS LAMP 3RD BRK ATC LAMP 3 2 1 6 5 4 9 8 7 11 10 15 14 13 14 PIN CONNECTOR TRAILER INDICATOR LAMP TP 1 3 J1939 L J19...

Страница 65: ...6S 6M ONLY TP SENSOR L3RD ABS OFF ROAD SWITCH OUTLET COMMON INLET ABS VALVE LEFT 3RD 6S 6M ONLY 6S 4M AND 6S 6M ONLY GND 11 2 10 3 9 4 8 5 7 6 ABS VALVE RIGHT FRONT ABS VALVE LEFT FRONT INLET COMMON O...

Страница 66: ...NLY 6S 4M AND 6S 6M ONLY SENSOR LEFT 3RD X2 GREEN 16 AWG 16 AWG 16 AWG 16 AWG 4010642a TP TP ABS VALVE RIGHT FRONT ABS VALVE LEFT FRONT 16 AWG 16 AWG FRONT AXLE ABV 8 9 10 11 12 13 14 15 16 17 18 7 1...

Страница 67: ...FT FRONT INLET COMMON OUTLET OUTLET COMMON INLET SENSOR LEFT FRONT SENSOR RIGHT FRONT TP TP X2 BLACK 12 1 GND 12V IGN 15AMP 5AMP GND 12V 12V GND GND 12 1 11 2 10 3 9 4 8 5 7 6 TRAILER WL RETARDER TP T...

Страница 68: ...LEFT 3RD 6S 6M ONLY 6S 4M AND 6S 6M ONLY SENSOR LEFT 3RD X2 GREEN 16 AWG 16 AWG 16 AWG 16 AWG 4010643a TP TP ABS VALVE RIGHT FRONT ABS VALVE LEFT FRONT 16 AWG 16 AWG FRONT AXLE ABV 8 9 10 11 12 13 14...

Страница 69: ...ize mismatch Check for correct number of tone ring teeth Verify that ECU is programmed for the correct vehicle 789 1 3 4 2 Shorted to UBATT ABS WL ABS Wheel Disabled ESC RSC ATC HSA Disabled Continuit...

Страница 70: ...ent contact Check condition of ABS sensor head Check mounting of tone ring and condition of teeth Check condition and retention of ABS sensor or spring clip Check ABS sensor cable routing and clipping...

Страница 71: ...A Disabled Continuity between the sensor connection and battery voltage short circuit is detected Verify 900 2000 ohms resistance through sensor circuit Verify no DC voltage through sensor circuit Key...

Страница 72: ...ings or excessive hub runout Check sensor wiring and connectors for intermittent contact Check condition of ABS sensor head Check mounting of tone ring and condition of teeth Check condition and reten...

Страница 73: ...ontinuity between the sensor connection and battery voltage short circuit is detected Verify 900 2000 ohms resistance through sensor circuit Verify no DC voltage through sensor circuit Key ON Check fo...

Страница 74: ...ttent contact Check condition of ABS sensor head Check mounting of tone ring and condition of teeth Check condition and retention of ABS sensor spring clip Check ABS sensor cable routing and clipping...

Страница 75: ...Disabled Continuity between the sensor connection and battery voltage short circuit is detected Verify 900 2000 ohms resistance through sensor circuit Verify no DC voltage through sensor circuit Key...

Страница 76: ...ings or excessive hub runout Check sensor wiring and connectors for intermittent contact Check condition of ABS sensor head Check mounting of tone ring and condition of teeth Check condition and reten...

Страница 77: ...HSA Disabled Continuity between the sensor connection and battery voltage short circuit is detected Verify 900 2000 ohms resistance through sensor circuit Verify no DC voltage through sensor circuit K...

Страница 78: ...rings or excessive hub runout Check sensor wiring and connectors for intermittent contact Check condition of ABS sensor head Check mounting of tone ring and condition of teeth Check condition and rete...

Страница 79: ...HSA Disabled Continuity between the sensor connection and battery voltage short circuit is detected Verify 900 2000 ohms resistance through sensor circuit Verify no DC voltage through sensor circuit...

Страница 80: ...rings or excessive hub runout Check sensor wiring and connectors for intermittent contact Check condition of ABS sensor head Check mounting of tone ring and condition of teeth Check condition and rete...

Страница 81: ...0 ohms for 24v system Verify resistance through harness and valve together is the same as valve by itself Check for corroded or damaged wiring between the ECU and the modulator valve Right Front Modu...

Страница 82: ...0 ohms for 24v system Verify resistance through harness and valve together is the same as valve by itself Check for corroded or damaged wiring between the ECU and the modulator valve Right Rear Modula...

Страница 83: ...0 ohms for 24v system Verify resistance through harness and valve together is the same as valve by itself Check for corroded or damaged wiring between the ECU and the modulator valve Right Third Axle...

Страница 84: ...ol is Disabled Continuity between the retarder relay output and ground has been detected Check for continuity between the retarder relay output and ground Check for corroded or damaged wiring between...

Страница 85: ...ld be used for EAP functionality See EAP maintenance manual MM 1696 for further instructions 802 14 4 8 1 Supply Voltage is too Low ABS WL while supply voltage is detected as too low ABS Wheel Disable...

Страница 86: ...ear 803 15 7 8 3 Internal Voltage Supply ABS WL ABS Wheel Disabled ESC RSC ATC HSA Disabled A failure was detected on the internal ECU relay 2 Measure the battery or ignition voltage supply Verify vol...

Страница 87: ...ntinuity between suspect ABV ground circuit and voltage supply Check for corroded or damaged wiring between the ECU and ABV 807 19 2 7 6 ABV Front Axle Open Circuit ABS WL ESC RSC ATC HSA Disabled ECU...

Страница 88: ...fault is present the operator should perform Reset Memorized Components through TOOLBOX Software procedure If SLC ECU may indicate issue with Diff lock solenoid or transfer case lock solenoid 807 19...

Страница 89: ...Pressure Sensor Shorted to Ground ABS WL ESC RSC ATC HSA Disabled Continuity between pressure signal circuit and ground short circuit or an open circuit is detected Verify if connectors are fully sea...

Страница 90: ...bled Continuity between pressure signal circuit and ground short circuit or an open circuit is detected Check for continuity between pressure sensor signal circuit and voltage supply Check connectors...

Страница 91: ...lication Contact vehicle OEM to verify broadcast of HSA switch is correct ESC 520210 88 1 N A ESC Initialization Not Complete ATC WL Blinking ESC Disabled ECU has recognized that the ESC module is cur...

Страница 92: ...ABS ECU and ESC has been correctly calibrated Follow the ESC Initialization End of Line calibration Refer to Section 8 520210 88 13 8 6 ESC Initialization required ATC WL ESC Disabled The system has d...

Страница 93: ...if fault persists 1807 89 12 8 6 SAS Failure ATC WL ESC Disabled The Steering Angle Sensor is communicating an internal error to the ABS ECU Check CAN wiring between ABS ECU and SAS for interruptions...

Страница 94: ...en EEC1 broadcasts from the engine or the message content is not as expected Contact OEM to verify J1939 wiring between engine ECU and vehicle J1939 backbone is correct and messages are correct If ABS...

Страница 95: ...e ECU memorized system is not in accordance with the harness There are loads detected at outputs which should be open circuits Wheel parameters number of tone ring teeth or tire size are out of tolera...

Страница 96: ...ect ABS WL ESC Disabled The stability control parameters set in the ECU are not in accordance with what is detected or learned on the vehicle Contact vehicle OEM to obtain correct ECU part number for...

Страница 97: ...ated too long during diagnostic testing Internal ECU communication is not correct Reset ECU by cycling the ignition or by using the reset option in TOOLBOX If fault persists check ABS ECU powers groun...

Страница 98: ...records a fault This can occur if an ECU is moved from one truck to another and one or more of the memorized components are not available on the new truck If this occurs use TOOLBOX Software to reconf...

Страница 99: ...ion ON 2 Press and hold the blink switch for at least three seconds NOTE Do not hold this switch longer than seven seconds The ABS lamp displays the ABS system configuration code One blink 6S 6M 6X2 T...

Страница 100: ...hree times one second each with a one second pause between each Turn the ignition OFF The ABS lamp displays four quick flashes followed by a continuous display of the system configuration code NOTE Th...

Страница 101: ...dditional faults must not be active Any other faults must be resolved before one of the main menu items is available NOTE To prevent incorrect activations SAS Calibration and ESC Initialization must b...

Страница 102: ...pear Select the option End of Line Figure 9 5 Figure 9 5 If you are using TOOLBOX Software version 11 or higher click on Components button A drop box will appear Select ESC then select Start EOL Figur...

Страница 103: ...t some point Click on Yes to recalibrate SAS Figure 9 10 NOTE The vehicle needs to be sitting still during SAS calibration Figure 9 9 NOTE Depending on your version of TOOLBOX Software the message in...

Страница 104: ...s Press the space bar or click the Continue button when ready to proceed Figure 9 13 The ATC lamp will start blinking to inform driver ECU is in learning mode Figure 9 13 Tip Carefully follow the inst...

Страница 105: ...these vehicles the ATC lamp will go out Follow the instructions on the screen The screen will automatically change to the next portion of the procedure Figure 9 15 Figure 9 15 Tip The vehicle MUST com...

Страница 106: ...End of the Line data and ratios Figure 9 17 Make sure to stop the vehicle once steering ratio calculation has been completed NOTE The circle driving Calculation of Steering Ratio can be done in segme...

Страница 107: ...nufacturer procedure to make sure ignition is turned off When the ignition is turned back ON check that no active or stored faults are logged in the ECU and that the ABS and ATC ESC warning lamps are...

Страница 108: ...ization required SPN 520210 FMI 14 CAUTION Additional faults must not be active Any other faults must be resolved before one of the main menu items is available NOTE To prevent incorrect activations S...

Страница 109: ...Upon successful calibration the status box will display SAS Calibration message sent successfully Figure 10 5 Figure 10 5 The SAS calibration is now completed Click the Close button to close the scree...

Страница 110: ...turn to complete the initialization procedure At this point the ATC lamp will turn off indicating the ESC initialization was successful For the ECU to be able to save ratios and ESC EOL data the ignit...

Страница 111: ...utton to close the screen NOTE If ESC EOL initialization was not properly completed and or ratios correctly saved code SPN 520210 88 FMI 14 will be active Follow the ESC initialization again and make...

Страница 112: ...nostic connector likely do not have J1939 communication to the ABS ECU available so aftermarket programming will not be possible NOTE If you do not have the required diagnostic adapter or minimum vers...

Страница 113: ...n Files button at the top of the screen NOTE If TOOLBOX Software is not available at the point of service it can be purchased by clicking the TOOLBOX Software button Figure 11 3 Figure 11 3 Enter the...

Страница 114: ...tion all fields can be edited When the correct contact details are displayed click Bill to this address Figure 11 7 Figure 11 7 The select payment method screen appears next Enter the credit card info...

Страница 115: ...the recommended file storage location Press OK to continue with saving the file Figure 11 11 Figure 11 11 When the following screen is displayed press Save to continue with saving the file Figure 11 1...

Страница 116: ...WABCO programming operation NOTE It is recommended that aftermarket programming be completed with ignition on only Do not cycle the key until the programming operation is complete Verify the battery i...

Страница 117: ...green PASS indicator will appear at the bottom of the Aftermarket Programming application window Figure 11 18 Figure 11 18 If the programming operation fails for any reason a red FAIL indicator will a...

Страница 118: ...the configuration session Close the TOOLBOX Software reopen it and restart the aftermarket programming application If the problem persists repeat with key on only Engine Off This failure will also oc...

Страница 119: ...U that does not require aftermarket programming Verify the ECU does not require programming and refer to the SPN SID FMI Fault Codes section in this manual 253 630 2 ABS WL B12 Unable to read paramete...

Страница 120: ...on session Close the TOOLBOX Software reopen it and restart the aftermarket programming application If the problem persists repeat with key on only Engine Off This failure will also occur when one or...

Страница 121: ...ct WaBCO North America Customer Care at 855 228 3203 Close the TOOLBOX Software reopen it and restart the aftermarket programming application If the problem persists repeat with key on only Engine Off...

Страница 122: ...re information visit www wabco na com NYSE WBC is a lead ing global supplier of technolo gies and services that improve the safety efficiency and connectivity of commercial vehicles Founded nearly 150...

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